Programming language · 1964
PL/I
Procedural, imperative computer programming language.
Official site ›What is PL/I written in?
The PL/I compiler is written in Assembly (documented).
Quick Facts
- Designed by
- IBM
- First released
- 1964
- Typing
- static
About PL/I
PL/I is a procedural, imperative computer programming language. It is a statically typed language. It supports imperative and procedural programming.
PL/I first appeared in 1964 and was designed by IBM.
How PL/I is implemented
In the Language Lineage dataset, its compiler is written in Assembly.
PL/I in the language family tree
PL/I drew on ideas from COBOL and Fortran.
Sources: Wikipedia · Wikidata · Official site
Frequently Asked Questions
What language is PL/I written in?
PL/I is primarily implemented in Assembly.
What languages influenced PL/I?
PL/I was influenced by COBOL, Fortran among others. See the influence section above for the full list.
When was PL/I first released?
PL/I was first released in 1964. It was designed by IBM.
Evidence Sources
Discover More
Spot something wrong?
Every fact on this page is meant to be checkable. If one is wrong, say so and it becomes a dataset change, not a patch to this page.